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  2. Active shutter 3D system - Wikipedia

    en.wikipedia.org/wiki/Active_shutter_3D_system

    An active shutter 3D system (a.k.a. alternate frame sequencing, alternate image, AI, alternating field, field sequential or eclipse method) is a technique for displaying stereoscopic 3D images. It works by only presenting the image intended for the left eye while blocking the right eye's view, then presenting the right-eye image while blocking ...

  3. List of most-viewed YouTube videos - Wikipedia

    en.wikipedia.org/wiki/List_of_most-viewed...

    Specifically, to count as a legitimate view, a user must intentionally initiate the playback of the video and play at least 30 seconds of the video (or the entire video for shorter videos). Additionally, while replays count as views, there is a limit of 4 or 5 views per IP address during a 24-hour period, after which point, no further views ...

  4. List of Saturday Night Live commercial parodies - Wikipedia

    en.wikipedia.org/wiki/List_of_Saturday_Night...

    Here, the kit, which calls himself "Thomas," arrives on the doorstep of episode host Woody Harrelson, but after Woody appears uncomfortable when Thomas says, "Open me up and, you know, go inside me," other animated kits, including a female caricature named "Kylie," offer to step in instead.

  5. Open collector - Wikipedia

    en.wikipedia.org/wiki/Open_collector

    For an NPN open emitter output, the collector is connected to the positive voltage rail, so the emitter outputs a high voltage when the transistor is on and is hi-Z when off. For a PNP open emitter output, the collector is connected to the low voltage supply, so the emitter outputs a low voltage when the transistor is on and is hi-Z when off.

  6. Common collector - Wikipedia

    en.wikipedia.org/wiki/Common_collector

    The transistor continuously monitors V diff and adjusts its emitter voltage to equal V in minus the mostly constant V BE (approximately one diode forward voltage drop) by passing the collector current through the emitter resistor R E. As a result, the output voltage follows the input voltage variations from V BE up to V +; hence the name ...

  7. Electron gun - Wikipedia

    en.wikipedia.org/wiki/Electron_gun

    An electron gun (also called electron emitter) is an electrical component in some vacuum tubes that produces a narrow, collimated electron beam that has a precise kinetic energy. The largest use is in cathode-ray tubes (CRTs), used in older television sets , computer displays and oscilloscopes , before the advent of flat-panel displays .

  8. Field-emission display - Wikipedia

    en.wikipedia.org/wiki/Field-emission_display

    A field-emission display (FED) is a flat panel display technology that uses large-area field electron emission sources to provide electrons that strike colored phosphor to produce a color image. In a general sense, an FED consists of a matrix of cathode-ray tubes , each tube producing a single sub-pixel, grouped in threes to form red-green-blue ...

  9. Hidden headlamp - Wikipedia

    en.wikipedia.org/wiki/Hidden_headlamp

    Two images showing a Mazda 323F's headlights retracted and visible. Hidden headlamps , also commonly known as pop-up headlamps , pop-up headlights , flip-eye headlamps , or hideaway headlights , are a form of automotive lighting and an automotive styling feature that conceals an automobile 's headlamps when they are not in use.